.leftnav{
    background: white;
}

.leftnav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.leftnav ul li {
    color: #5f5f5f;
    height: 70px;
    text-align: center;
    line-height: 70px;
    border-bottom: 1px solid #e1e1e1;
    font-size: 18px;
    cursor: pointer;
}